5) A new planet orbits the Sun at a distance of 12 AU. What is the period of its orbit around the Sun in Earth years? (The distance from the Earth to the Sun is 1AU (Astronomical Unit) = 1.5 x 10^11 m)
A) 41.6 Earth years
B) 11.5 Earth years
C) 76.4 Earth years
D) 52.1 Earth years
D) 83.7 Earth years
F) None of these